Vice Admiral George Gregory Burkley, physician to three presidents, inscribes on the mount below the photograph, "To Frank Ritz with esteem and grateful appreciation of his many courtesies on `Air Force One.' George G. Burkley, Physician to the President, July 6, 1967." Admiral Burkley specialized in internal medicine and cardiology, and served as the personal doctor to Presidents John F. Kennedy and Lyndon B. Johnson and was the doctor-in-charge at the Navy-operated Presidentail retreat at Camp David, Maryland, when President Dwight D. Eisenhower was there. He accompanied Eisenhower on an 11-nation tour of the far east in 1959. He joined the White House medical staff in 1961 as an assistant to Dr. Janet G. Travell, White House Physician. Frank Ritz served as a crew member aboard Air Force One.